eliminacion de metales pesados de drenajes acidos de mina actualiz 290915

7/24/2019 Eliminacion de Metales Pesados de Drenajes Acidos de Mina Actualiz 290915

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Ingrese T =T =

con:

BALANCE EN MEDIO BSICO:

Reaccin 1:

Reaccin 2:

Reaccin 3:

Reaccin 4:

Las reacciones se a!ancearon en "e#io $sico% Con !a ec&ac

()*+,T- a c&a!.&ier /e"0era/&ra%To#os !os c$!c&!os se rea!iaron a 1 a/"osera%


2/28

CN/ = 1%55E652A&/ = 25

+&n/os 0ara !a gr$7ca08 09

ec 1 2;%33>%221>3;4 2343;

ec 2 12 21%;;;12;3

ec 3 5%5%221>3;4 6%453;>>;

ec 4 12 6%453;>>;

8CN?CN*6a- >%221>3;4 635>%221>3;4 3%>%>4;2>24;4E6511 !g 4 = 615%453


8/28

ec&acin 11%5>;;1 = 108 K

ec&acin 2

;>%


9/28


10/28

20eIn/ersec/o #e 1 2

08>%221>3;4 2343;

20e

10eIn/ersec/o #e 3 4

08>%221>3;4 6%453;>>;

10e

09

09


11/28

CN*6a- K 8*Ka- = 8CN*a-T #e!/a8 #e!/aS #e!/a) ?

2;3%1< 6%1> 15%; 63 %34EK5>23%1< 64;%


12/28


13/28

Log*- 1?T

>%>;< 5%5535>>

>%52 5%553%42 5%553%4>2 5%5534;541 5>%3%22 5%5533%5> 5%5532>; 1%;> 5%55324 5%5531>33 2%4141 > %>%>>>>> 1555%1>>>>>4 155

5%53122;1%;;E655 >>%>>>>>2 1555%51>>>>43 155

5%5531221%;;E655< >>%>>>>21 1555%551>>>43< 155

5%5553123 5%5551;; >>%>>>213 155

5%5551 5%555>>434> 1553%123E655< 5%551;3 >>%>>2132 155

5%55551 5%55>434>; 1553%123E655 5%51;1 >>%>2134< 155

5%555551 5%5>%>43>%2131> 155

5%5555551 5%>%4311; 1553%123E655 1%;;4 >%244 1 3%15433 3%>4 3;3 155

1E6511 >%2154311 1%;3> 1553%123E6512 >>%4434;2 5%4; 5%1;5>%>445;4; 5%5%>23541> 1553%123E6514 >>%>>4453>3 5%55>%>>2353 5%551;>; 155

81 1%1424E655 >>%>>>>>> 155

5%3122;;;3%24;3E655 >>%>>>>>4 1555%11%1424E655< >>%>>>>< 155

5%53122;3%24;3E655< >>%>>>>3 1555%51 5%55511424 >>%>>>>%>>>3;< 1555%551 5%5511422 >>%>>>%>>3;


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5%5551 5%511415;> >>%> 1553%123E655< 5%53234134 >>%>3; 155

5%55551 5%1144>2>1 >>%%;;>31>; >%%;13; 1555%55555551 ;%3;;15124 21%22> 1551%5555E655> >1%>;>%13 1553%123E6511 >>%;24;1 5%2;>%>123422 5%5;1>%>;241>32 5%52;>%>>12;>%>>;2412< 5%552;>%>>>12; 5%555;241 1553%123E6514 >>%>>>;2412 5%5552;>%>>>>12;%;242E655< 155


17/28

2 4

+re#o"inancia #e! C

CN*6a-

8CN

8CN a>


18/28


19/28

15 12 14


20/28


21/28

E!i"inacin #e "e/a!es 0esa#os #e #renaPes $ci#os #e "ina

Reacciones AG BG r2C&*K2a- K 8S*6a- = C&S K 8*Ka- >;54

+*K2a- K 8S*6a- = +S K 8*Ka- 1%24>3; 415>>>>451

E!e"en/os C& Qn ++%A/" 3%513 1%14;422

8a!!an#o !a concen/racin #e !os iones

08=; C en #renaPe L%M%+ 08=;%C&*K2a- 4%21E65> ;%;E65 6%5EK55 %;E65; C&*K2a-Qn*K2a- %>3E65> ;%>451

E!e"en/os C& Qn ++%A/" 3%


22/28

4 12%2221E65> ;%;E65 6>EK55 1%51E65Qn*K2a- >%;;E65> ;% 2%41E65; 65E65 6


23/28

08 ; 08Sso!/ 4%>1E653 M

T 2< CT 2>%1<

C#112%415%51

6;%55E65

C en #renaPe L%M%+%;E615 ;%;E65 6%EK55 1%3;E65;1%42E65> ;% 2%41E65; 6%;EK55 2%1 %>5E65 6%4EK55 2%35E65;

08 ; 08Sso!/ 4%>1E653 M

T >< CT 3%1<

C#112%415%51

6;%55E65

K1=[H+ ]

[ HS] [Cu+2 ]

K2=[H+ ]

[HS] [Zn+2 ]

K3=[H+ ]

[HS] [Pb+ 2]

K4=[H+ ]

[HS ] [Cd+2 ]

LogK=A '+B '(1T)


24/28

08=;% C en #renaPe L%M%+

C&*K2a- ;%;>E615 ;%;E65 6%;>EK55 1%5E65;Qn*K2a- 1%5E65 6%


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;%

;%

=

[H+ ][ HS] [Cu+2 ]

=

[H+ ][HS] [Zn+2 ]

=

[H+ ][HS] [Pb+ 2]

=

[H+ ][HS ] [Cd+2 ]

log K2=log [H+ ]log [HS ]log [

logK1=log[H+ ]log [HS ]log[

logK3=log [H+ ]log [HS ]log [

logK4=log [H+ ]log [HS ]log [


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27/28

g [HS ]log[Cu+2 ]

g [HS ]log [Cu+2 ]

g [HS ]log [Cu+2 ]

g [HS ]log [Cu+2 ]


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eliminacion de metales pesados de drenajes acidos de mina actualiz 290915

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